What is the principal source of commercial helium?
A)Certain natural gas wells.
B)Fractional distillation of air.
C)It is a byproduct of commercial fusion research.
D)It is a byproduct of commercial fission reactors.
E)The mineral cleveite,a uranium ore.

Question

Quizplus · Accepted Answer

Helium is primarily obtained from certain natural gas wells, where it is present in small amounts as a result of the radioactive decay of elements such as uranium and thorium. The United States is the world's largest producer of helium, and much of it comes from reserves in Texas, Oklahoma, and Kansas.

What Is the Principal Source of Commercial Helium